Google Scholar is a search engine for academic literature. It provides access to articles, theses, and books from various sources.

Dialnet is a bibliographic portal specializing in humanities and social sciences. It offers access to scientific journals and academic documents.

ROAD is an ISSN service that provides access to open-access scientific journals. It facilitates the consultation of peer-reviewed publications.

Latindex is an information system about academic journals from Latin America, the Caribbean, Spain, and Portugal. It provides data on their quality and coverage.

LatinREV is the Latin American Network of Academic Journals in Social Sciences and Humanities.